Modern regions of Greece in the context of "Argolis"

Thessaloniki (Greek: Μητροπολιτική ενότητα Θεσσαλονίκης Mitropolitiki enotita Thessaloníkis, Metropolitan unit of Thessaloniki) is one of the regional units of Greece. It is part of the Region of Central Macedonia and its capital is the city of Thessaloniki.

Western Greece Region (Greek: Περιφέρεια Δυτικής Ελλάδας, romanized: Periféria Dhitikís Elládhas, [periˈferia ðitiˈcis eˈlaðas]) is one of the thirteen administrative regions of Greece. It comprises the western part of continental Greece and the northwestern part of the Peloponnese peninsula. It occupies an area of 11,336 km (4,377 sq mi) and its population is, according to the 2011 census, at 679,796 inhabitants. The capital of the Western Greece is Patras, the third-largest-city in the country, with a population of about 280,000 inhabitants. The NUTS 2 code for the region of Western Greece is EL63.

Crete (/kriːt/ KREET; Greek: Κρήτη, Modern: Kríti [ˈkriti], Ancient: Krḗtē [krɛ̌ːtεː]) is the largest and most populous of the Greek islands, the 90th largest island in the world, and the fifth largest island in the Mediterranean Sea, after Sicily, Sardinia, Cyprus, and Corsica. Crete is located approximately 100 km (62 mi) south of the Peloponnese, and about 300 km (190 mi) southwest of Anatolia. Crete has an area of 8,450 km (3,260 sq mi) and a coastline of 1,046 km (650 mi). It bounds the southern border of the Aegean Sea, with the Sea of Crete (or North Cretan Sea) to the north and the Libyan Sea (or South Cretan Sea) to the south. Crete covers 260 km from west to east but is narrow from north to south, spanning three degrees of longitude but only half a degree of latitude.

Crete and its surrounding islands and islets form the Region of Crete (Greek: Περιφέρεια Κρήτης), which is the southernmost of the 13 top-level administrative units of Greece, and the fifth most populous of Greece's regions. Its capital and largest city is Heraklion, located on the island's north shore. As of 2021, the region had a population of 624,408. The Dodecanese are located to the northeast of Crete, while the Cyclades are situated to the north, separated by the Sea of Crete.

Chios (/ˈkaɪ.ɒs, ˈkaɪ.oʊs, ˈkiː-/; Greek: Χίος, romanized: Chíos [ˈçi.os] , traditionally known as Scio in English) is the fifth largest Greek island, situated in the northern Aegean Sea, and the tenth largest island in the Mediterranean Sea. The island is separated from Turkey by the Chios Strait. Chios is notable for its exports of mastic gum and its nickname is "the Mastic Island". Tourist attractions include its medieval villages and the 11th-century monastery of Nea Moni, a UNESCO World Heritage Site.

Administratively, the island forms a separate municipality within the Chios regional unit, which is part of the North Aegean region. The principal town of the island and seat of the municipality is Chios. Locals refer to Chios town as Chora (Χώρα literally means land or country, but usually refers to the capital or a settlement at the highest point of a Greek island).

The 74 regional units of Greece are the country's third-level administrative units (counting decentralized administrations as first-level). They are subdivisions of the country's 13 regions, and are further divided into municipalities.

They were introduced as part of the Kallikratis administrative reform on 1 January 2011 and are comparable in area and, on the mainland, coterminous with the "pre-Kallikratis" prefectures of Greece.

East Attica (Greek: Ανατολική Αττική) is one of the regional units of Greece. It is part of the region of Attica. The regional unit covers the eastern part of the urban agglomeration of Athens, and also the rural area to its east.

West Attica (Greek: Δυτική Αττική) is one of the regional units of Greece. It is part of the region of Attica. The regional unit covers the western part of the agglomeration of Athens, and the area to its west.

Boeotia (/biˈoʊʃ(i)ə/ bee-OH-sh(ee-)ə), sometimes Latinised as Boiotia or Beotia (Greek: Βοιωτία; modern: Viotía; ancient: Boiōtía), is one of the regional units of Greece. It is part of the region of Central Greece. Its capital is Livadeia, and its largest city is Thebes.

Boeotia was also a region of ancient Greece, from before the 6th century BC.

Thira (Greek: Περιφερειακή ενότητα Θήρας) is one of the regional units of Greece. It is part of the region of South Aegean. The regional unit covers the islands of Thira (Santorini), Anafi, Folegandros, Ios, Sikinos and several smaller islands in the Aegean Sea.

Thessaly (/ˈθɛsəli/ THESS-ə-lee; Greek: Θεσσαλία, romanized: Thessalía [θesaˈli.a]; ancient Thessalian: Πετθαλία, Petthalía) is a traditional geographic and modern administrative region of Greece, comprising most of the ancient region of the same name. Before the Greek Dark Ages, Thessaly was known as Aeolia (Ancient Greek: Αἰολία, Aiolía), and appears in Homer's Odyssey.

Thessaly became part of the modern Greek state in 1881, after four and a half centuries of Ottoman rule. Since 1987 it has formed one of the country's 13 regions and is further (since the Kallikratis reform of 2011) sub-divided into five regional units and 25 municipalities. The capital of the region is Larissa. Thessaly lies in northern central Greece and borders the regions of Macedonia to the north, Epirus to the west, Central Greece to the south, and the Aegean Sea to the east. The Thessaly region also includes the Sporades islands.