Thessaloniki (regional unit) in the context of "Thessalonica"

Thessaloniki (/ˌθɛsələˈniːki/; Greek: Θεσσαλονίκη [θesaloˈnici] ; also known by various spellings and names) is a city in northern Greece. The nation's second-largest, with slightly over one million inhabitants in its metropolitan area, it is the capital of the geographic region of Macedonia, the administrative region of Central Macedonia and the Decentralized Administration of Macedonia and Thrace. It is also known in Greek as i Symprotévousa, literally "the co-capital", a reference to its historical status as the "co-reigning" city (Symvasilévousa) of the Byzantine Empire alongside Constantinople.

Thessaloniki is located on the Thermaic Gulf, at the northwest corner of the Aegean Sea. It is bounded on the west by the delta of the Axios. The municipality of Thessaloniki, the historical centre, had a population of 319,045 in 2021, while the Thessaloniki metropolitan area had 1,006,112 inhabitants and the greater region had 1,092,919. It is Greece's second major economic, industrial, commercial and political centre, and a major transportation hub for Greece and southeastern Europe, notably through the Port of Thessaloniki. The city is renowned for its festivals, events and vibrant cultural life in general. Events such as the Thessaloniki International Fair and the Thessaloniki International Film Festival are held annually. Thessaloniki was the 2014 European Youth Capital. The city's main university, Aristotle University, is the largest in Greece and the Balkans.

Angelochori (Greek: Αγγελοχώρι) is a village in the municipal unit of Thermaikos, in the Thessaloniki regional unit, Greece. It is located to the east of Cape Megalo Embolo (Μεγάλο έμβολο), at an average elevation of 16 meters above the sea level.

The Loudias (Greek: Λουδίας) or Lydias (Λυδίας), popularly called Mavroneri (Μαυρονέρι, "Blackwater", from its Ottoman Turkish name Kara Asmak قره آصماق) is a river in Central Macedonia that flows through the regional units of Pella and Thessaloniki draining into the Thermaic Gulf through the Axios Delta National Park. Its drainage basin is 1,251 km (483 sq mi).

Thermaikos (Greek: Θερμαϊκός) is a suburban municipality of the regional unit of Thessaloniki, Greece. It consists of the municipal units Thermaikos, Epanomi and Michaniona. The municipal unit Thermaikos is subdivided into the communities Peraia, Neoi Epivates and Agia Triada. The municipality Thermaikos has an area of 133.41 km and the municipal unit Thermaikos has an area of 20.300 km. Thermaikos stretches for 10 km along the southeastern coast of the Thermaic Gulf. The seat of the municipality is in Peraia.

Delta (Greek: Δέλτα) is a municipality in the Thessaloniki regional unit, Central Macedonia, Greece. The seat of the municipality is the town Sindos. The municipality of Delta covers an area of 311.09 km.

Thermi (Greek: Θέρμη, before 1926: Sedes) is a southeastern suburb and a municipality in the Thessaloniki regional unit, Macedonia, Greece. Its population was 55,358 at the 2021 census. It is located over the site of ancient Therma.