Yalova Province in the context of "Altinova"

Bursa Province (Turkish: Bursa ili) is a province and metropolitan municipality in Turkey along the Sea of Marmara coast in northwestern Anatolia. It borders Balıkesir to the west, Kütahya to the south, Bilecik and Sakarya to the east, Kocaeli to the northeast and Yalova to the north. Its area is 10,813 km, and its population is 3,194,720 (2022). Its traffic code is 16.

Almost all of Bursa Province (including the city of Bursa) is in the Marmara region, but the districts of Büyükorhan, Harmancık, Keles and Orhaneli are in the Aegean Region.

Kocaeli Province (Turkish: Kocaeli ili, pronounced [koˈdʒaeli]) is a province and metropolitan municipality of Turkey and one of only three not to have the same official name as its capital, İzmit, which is thus also sometimes called Kocaeli. Its area is 3,397 km (1,312 sq mi), and its population is 2,102,907 (2023). The province is the successor of the Ottoman-era Sanjak of Kocaeli. The largest towns in the province are İzmit and Gebze. The traffic code is 41.

The province is located at the easternmost end of the Sea of Marmara around the Gulf of İzmit. Kocaeli is bordered by the province of Istanbul and the Marmara Sea to the west, the Black Sea to the north, the province of Sakarya to the east, the province of Bursa to the south and the province of Yalova to the southwest. The metropolitan area of Istanbul extends to the Kocaeli-Istanbul provincial border.

40°43′24″N 29°30′08″E / 40.72339°N 29.50224°E / 40.72339; 29.50224Helenopolis (Greek: Ἑλενόπολις) or Drepana (Δρέπανα) or Drepanon (Δρέπανον) was an ancient Thracian and later Greco-Roman and Byzantine town in Bithynia, Asia Minor, on the southern side of the Gulf of Astacus. Helenopolis has been identified with the modern village of Hersek, in the district of Altınova, Yalova Province. It is traditionally considered as the birthplace of Saint Helena.

Bucak (nahiya) is the Turkish word for subdistrict, literally meaning "corner." In principle, all Turkish provinces (Turkish: il) are divided into districts (Turkish: ilçe), and the districts were then divided into bucaks. Thus, bucak was the third-level administrative unit in Turkey. Despite this designation, about half the districts had no bucaks. For example, in Konya Province (the province with the highest number of settlements), among the 31 districts, only 15 districts had bucaks, and the total number of bucaks was 23. However, there was only one bucak in Yalova Province. The total number of bucaks in Turkey was 634. Villages (Turkish: köy) are parts of the districts or bucaks.

Bucaks were important part of the Turkish administrative system prior to 1970, but since transportation facilities to villages were improved, the importance of bucaks declined.

Karamanli Turkish (Turkish: Karamanlı Türkçesi; Greek: Καραμανλήδικα, romanized: Karamanlídika) is an extinct dialect of the Turkish language spoken by the Karamanlides. Although the official Ottoman Turkish was written in the Arabic script, the Karamanlides used the Greek alphabet to write their form of Turkish. Karamanli Turkish had its own literary tradition and produced numerous published works in print during the 19th century, some of them published by the British and Foreign Bible Society as well as by Evangelinos Misailidis in the Anatoli or Misailidis publishing house.

Karamanli writers and speakers were expelled from Turkey as part of the Greek-Turkish population exchange in 1923. Some speakers preserved their language in the diaspora. The written form stopped being used immediately after Turkey adopted the Latin alphabet.

Yalova is a small city located in northwestern Turkey on the eastern coast of the Sea of Marmara. It is the seat of Yalova Province and Yalova District. The city has a population of over 250,000 with adjacent conurbation districts. A largely modern city, it is best known for the spa resort at nearby Termal, a popular summer retreat for residents of Istanbul.

Regular ferries connect Yalova with Istanbul via the Sea of Marmara. They are operated by İDO.

The Osman Gazi Bridge (Turkish: Osmangazi Köprüsü) is a suspension bridge spanning the Gulf of İzmit at its narrowest point, 2,620 m (8,600 ft). The bridge links the Turkish city of Gebze to the Yalova Province and carries the O-5 motorway across the gulf.

The bridge was opened on 1 July 2016 to become the then-longest suspension bridge in Turkey and the fourth-longest (ninth-longest as of 2025) suspension bridge in the world by the length of its central span.