The municipality Almyros was formed at the 2011 local government reform by the merger of the following 4 former municipalities, that became municipal units:Almyros, Anavra, Pteleos, Sourpi . The municipality has an area of 909.79 km2 and population of 18.614 at the 2011 census.
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The present municipality Arta was formed at the 2011 local government reform by the merger of the following 5 former municipalities that became municipal units. Amvrakikos, Arta, Filothei, Vlacherna, Xirovouni.  The municipality has an area of 457.248 km2. Its population is 42.985 people. Its only city and capital is Arta.
The municipality Acharnes was formed at the 2011 local government reform by the merger of the following 2 former municipalities that became municipal units: Acharnes, Thrakomakedones. The municipality has an area of 149.956 km2. The northern part of the municipality is covered by the forested Parnitha mountains. The southern part is in the plain of Athens, and is densely populated. Its population is 106,943 people.It is the 12th most populated Municipality in Greece.
The municipality Vari-Voula-Vouliagmeni was formed at the 2011 local government reform by the merger of the following 3 former municipalities, that became municipal units: Vari, Voula, Vouliagmeni. Vari-Voula-Vouliagmeni  is a municipality in the East Attica regional unit, Attica, Greece. The seat of the municipality is the town Voula. The municipality has an area of 10.450 km2. Its population is 48.399 people.
Velo-Vocha is a municipality in the Corinthia regional unit, Peloponnese, Greece. The seat of the municipality is the town Zevgolateio. The municipality has an area of 164.847 km2. The municipality Velo-Vocha was formed at the 2011 local government reform by the merger of the following 2 former municipalities that became municipal units: Velo, Vocha.
Gortynia (Greek: Γορτυνία) is a municipality in the Arcadia regional unit, Peloponnese, Greece. The seat of the municipality is the town Dimitsana. The municipality has an area of 1,050.882 km2.
The municipality Didymoteicho was formed at the 2011 local government reform by the merger of the following 2 former municipalities that became municipal units: Didymoteicho, Metaxades. The municipality has an area of 565.4 km2 and its population is 19.493 people according to the 2011 census. 
The municipality Domokos was formed during the 2011 local government reforms by the merger of the following 3 former municipalities that became municipal units: Domokos, Thessaliotida, Xyniada. The municipality has an area of 707.953 km2 and is populated by 11.495 people.
The present municipality Dodoni was formed at the 2011 local government reform by the merger of the following 4 former municipalities that became municipal units: Agios Dimitrios, Dodoni, Lakka Souliou, Selloi. The municipality Dodoni has an area of 657.499 km2, the municipal unit Dodoni has an area of 101.016 km2, and the community Dodoni has an area of 8.748 km2. One of the most important archaeological sites is located In Dodoni, containing the biggest theater still in good condition and the most ancient oracle of the Greeks. 
The municipality Elassona was formed at the 2011 local government reform by the merger of the following 9 former municipalities that became municipal units: Antichasia, Elassona, Karya, Livadi, Olympos, Potamia, Sarantaporo, Tsaritsani, Verdikoussa. It has an area of 1568,14 km2 and is populated by 40.879 people. 
The municipality of Elliniko-Argyroupoli (51,330 inhabitants in 2011, 1,510 ha) was established in 2011 as the merger of the two former municipalities of Argyroupoli and Elliniko, two suburbs located in the southern part of Athens. It has an area of 15,7 km and  is the 62nd biggest municipality in Greece. 
Eretria (/əˈriːtriə/; Greek: Ερέτρια, Eretria, literally "city of the rowers") is a town in Euboea, Greece, facing the coast of Attica across the narrow South Euboean Gulf. It was an important Greek polis in the 6th/5th century BC, mentioned by many famous writers and actively involved in significant historical events. Excavations of the ancient city began in the 1890s and have been conducted since 1964 by the Greek Archaeological Service (11th Ephorate of Antiquities) and the Swiss School of Archaeology in Greece.
Ermionida is a municipality in the Argolis regional unit, Peloponnese, Greece. The seat of the municipality is the town Kranidi. The municipality has an area of 417,59 km2 and is populated by 14.901 people. The municipality Ermionida was formed at the 2011 local government reform by the merger of the following 2 former municipalities that became municipal units: Ermioni, Kranidi.
Evrotas is a municipality in the Laconia regional unit, Peloponnese, Greece. It is named after the river Eurotas. The seat of the municipality is the town Skala. The municipality has an area of 811.734 km2. The municipality Evrotas was formed at the 2011 local government reform by the merger of the following 5 former municipalities, that became municipal units: Elos, Geronthres, Krokees, Niata and Skala.
Ziros is a municipality in the Preveza regional unit, Epirus, Greece. The seat of the municipality is the village Filippiada. The municipality has an area of 386.15 km2. The municipality Ziros was formed at the 2011 local government reform by the merger of the following 4 former municipalities that became municipal units: Anogeio, Filippiada, Kranea, Thesprotiko. It is populated by 13.892 people. 
The present municipality Igoumenitsa was formed at the 2011 local government reform by the merger of the following 5 former municipalities that became municipal units (constituent communities in brackets): Igoumenitsa, Margariti, Parapotamos, Perdika, Syvota. The municipality has an area of 428.353 km2.
Thebes (/θiːbz/; Ancient Greek: Θῆβαι, Thēbai, Greek pronunciation: [tʰɛ̂ːbai̯];Greek: Θήβα, Thíva [ˈθiva]) is a city in Boeotia, central Greece. It played an important role in Greek myths, as the site of the stories of Cadmus, Oedipus, Dionysus and others. Archaeological excavations in and around Thebes have revealed a Mycenaean settlement and clay tablets written in the Linear B script, indicating the importance of the site in the Bronze Age.
​The municipality Missolonghi was formed at the 2011 local government reform by the merger of the following 3 former municipalities that became municipal units: Aitoliko, Missolonghi, Oiniades. The municipality has an area of 674.13 km2 and is populated by 34.416 people. 
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Istiaia-Aidipsos is a municipality in the Euboea regional unit, Central Greece, Greece. The seat of the municipality is the town Istiaia. The municipality has an area of 499,3 km2 and is populated by 21.083 people. The municipality Istiaia-Aidipsos was formed at the 2011 local government reform by the merger of the following 5 former municipalities that became municipal units: Aidipsos, Artemisio, Istiaia, Lichada, Oreoi.
​The municipality Karpenisi was formed at the 2011 local government reform by the merger of the following 6 former municipalities that became municipal units: Domnista, Fourna, Karpenisi, Ktimenia, Potamia, Prousos (Alestia, Aspropyrgos, Esochoria, Kastania, Katavothra, Prodromos, Prousos, Sarkini, Stavrochori, Tornos, Velota). The municipality has an area of 948.570 km2.
The municipality Megalopoli was formed at the 2011 local government reform by the merger of the following three former municipalities that became municipal units: Falaisia, Gortyna, Megalopoli. The municipality has an area of 727,33 km2 and is populated by 13.152 people.
​Before the reorganization, the municipality of Messini contained 14 local divisions for a total population of 11.041. Since 2010 Messini has still been a municipality, one of the six of Messenia. However, it has absorbed seven other former municipalities. These, and the former municipality of Messini, have become municipal units of the municipality Messini, with a total population of 23,482 (2011 census). These are as follows: Aipeia, Androusa, Aristomenis, Voufrades, Ithomi, Messini, Petalidi, Trikorfo. The municipality has an area of 563,7 km2 and is populated by 23.482 people.
Milos or Melos is a volcanic Greek island in the Aegean Sea, just north of the Sea of Crete. Milos is the southwesternmost island in the Cyclades group. The island is famous for the statue of Aphrodite (the "Venus de Milo", now in the Louvre), and also for statues of the Greek god Asclepius (now in the British Museum), the Poseidon and an archaic Apollo in Athens. Milos is a popular tourist destination during the summer. The Municipality of Milos also includes the uninhabited offshore islands of Antimilos and Akradies. The combined land area is 160.147 km2 and the 2011 census population was 5.129 inhabitants.
The municipality Mouzaki was formed at the 2011 local government reform by the merger of the following 3 former municipalities that became municipal units Ithomi, Mouzaki, Pamisos. Its historic capital is Mavromati which was the birthing place of the captain and general of the Revolution of 1921, Georgios Karaiskakis. The municipality has an area of 313.866 km2 and is populated by 13.122 people.
​The municipality Nafplio was formed at the 2011 local government reform by the merger of the following 4 former municipalities that became municipal units: Asini, Midea, Nafplio, Nea Tiryntha. The municipality has an area of 387.78 km2 and is populated by 33.356 people. 
Nemea is a town in the north-eastern part of the Peloponnese, in Greece. It is today part of the prefecture of Corinthia. The municipality of Nemea consists of 10 communities: Nemea being its capital, Ancient Nemea, Ancient Cleonae, Leontio, Petri, Daphne, Kastraki, Galata, Aidonia, and Koutsi. The former name of Nemea was St. George, after which the most famous red variety of Greece, Agiorgitiko, was named. St. George in Greek is “Ai Giorgis”, so the grape of the region is called “Agiorgitiko”, which means the grape of Saint George. Besides its wines, the region is famous for the Nemean lion, which in Greek mythology was killed by Heracles, and the Nemean games.
South Kynouria is a municipality in the Arcadia regional unit, Peloponnese, Greece. The seat of the municipality is the town of Leonidio. The municipality has an area of 583,16 km2. It covers the central part of the ancient region of Cynuria (the southeast coastal area of the Peloponnese) and the southern part of the former Kynouria Province. The municipality South Kynouria was formed at the 2011 local government reform by the merger of the following 3 former municipalities that became municipal units: Kosmas, Leonidio, Tyros. It is populated by 9.686 people according to the 2011 census. 
​South Pelion is a municipality in the Magnesia regional unit, Thessaly, Greece. The seat of the municipality is the town Argalasti. The municipality has an area of 369,36 km2. It comprises the southern part of Mount Pelion. The municipality South Pelion was formed at the 2011 local government reform by the merger of the following 5 former municipalities that became municipal units: Afetes, Argalasti, Milies, Sipiada, Trikeri. It is populated by 10.216 people.
Xylokastro–Evrostina is a municipality in the Corinthia regional unit, Peloponnese, Greece. The seat of the municipality is the town Xylokastro. The municipality has an area of 411.667 km2. The municipality Xylokastro–Evrostina was formed at the 2011 local government reform by the merger of the following 2 former municipalities that became municipal units: Evrostina, Xylokastro.
Oichalia is a village and a municipality in Messenia, Greece. The seat of the municipality is in Meligalas. Oichalia is known for its rich expanse of olive trees and fig orchards. The municipality Oichalia was formed at the 2011 local government reform by the merger of the following 5 former municipalities that became municipal units: Andania, Dorio, Eira, Meligalas, Oichalia. The municipality has an area of 411,4 km2 and is populated by 15.592 people. ​
The municipality Pella was formed at the 2011 local government reform by the merger of the following 5 former municipalities that became municipal units: Giannitsa, Krya Vrysi, Kyrros, Megas Alexandros, Pella. The municipality has an area of 668,58 km2. The municipality has a population of 63,122 (2011 census). The capital of the municipality of Pella is Giannitsa (population 29,789 at the 2011 census). 
Pylos-Nestoras  is a municipality in the Messenia regional unit, Peloponnese, Greece. The seat of the municipality is the town Pylos. The municipality has an area of 554.265 km2. The municipality Pylos-Nestoras was formed at the 2011 local government reform by the merger of the following 6 former municipalities that became municipal units: Chiliochoria, Koroni, Methoni, Nestor, Papaflessas, Pylos. It is populated by 21.077 people.
The municipality of Saronikos (29,002 inhabitants in 2011, 13,343 ha) was established in the 2011 local government reform as the merger of the former municipalities of Anavyssos (Ανάβυσσος, 6,202 inh.), Kalyvia Thorikou (Καλύβια Θορικού, 14,424 inh.), Kouvaras (Κουβαράς, 2,008 inh.), Palaia Fokaia (Πάλαια Φώκαια, 3,436 inh.), and Saronida (Σαρωνίδα, 2,932 inh.).
Sifnos (Greek: Σίφνος; the spelling Siphnos is obsolete in English but still by convention often used to refer to the island in ancient times) is an island municipality in the Cyclades island group in Greece. The main town, near the center, known as Apollonia (pop. 869), is home of the island's folklore museum and library. The town's name is thought to come from an ancient temple of Apollo on the site of the church of Panayia Yeraniofora. The second-largest town is Artemonas (800), thought to be named after an ancient temple of Apollo's sister-goddess Artemis, located at the site of the church of Panayia Kokhi. The village of Kastro (118), was the capital of the island during ancient times until 1836. It is built on top of a high cliff on the island's east shore and today has extensive medieval remains and is the location of the island's archeological museum. The port settlement, on the west coast of the island is known as Kamares (245).
​Trifylia is a municipality in the Messenia regional unit, Peloponnese, Greece. The seat of the municipality is the town Kyparissia. The municipality has an area of 612,1 km2. It was named after the ancient Triphylia region. The municipality Trifylia was formed at the 2011 local government reform by the merger of the following 6 former municipalities that became municipal units: Aetos, Avlonas, Filiatra, Gargalianoi, Kyparissia, Tripyla.
The current municipality of Florina was formed at the 2011 local government reform by the merger of the following 4 former municipalities that since 2011 became municipal units: Florina, Kato Kleines, Meliti, Perasma. The municipality has an area of 827,62 km2 and is populated by 32.881 people. 
Aradippou is a town and municipality in Cyprus, located on the outskirts of the city of Larnaca. It was established in 1986 following a referendum of local residents. It has a population of approximately 11.448 and an area of 43 km2.
The Institute of Environment and Sustainable Growth is a nonprofit organization with a Council of ten members and is manned by a wide spectrum of scientists of various expertise fields, participating voluntarily. It has been established with the goal to bring scientific knowledge to the environmental and sustainability policies and the processes of decision making.
The National Technical University of Athens is structured according to the continental European system for training engineers, with an emphasis on solid background. The valuable work of NTUA and its international reputation are due to its well-organised educational andresearch system, the quality of its staff and students, and the adequacy of its technical infrastructure. For this purpose, NTUA operates as a State University with nine Schools, self-administered by the Senate, the Rector, the Vice-Rectors, the School Presidents, representatives of the academic staff and students from every School, as well as representatives from other university bodies.
The Maniatakeion Foundation is a private, non-profit, public service institution based in Athens, Greece. It was established in 1995 by Dimitris Antonis Maniatakis and Eleni Tagonidi Maniataki.
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FODSA of Peloponnese is a regional association of solid waste management bodies of peloponnese.