Bolu (Greek: Βιθύνιον /Vithinion, Latin Bithynium or Claudiopolis) is a city in Turkey, and administrative center of the Bolu Province. The population is 119,898 (2010 census). The mayor is Alaaddin Yılmaz (AK Party) since local elections in 2004.
Bolu is on the old highway from Istanbul to Ankara, which climbs over Mount Bolu, while the new motorway passes through Mount Bolu Tunnel below the town.
Read more about Bolu: Bolu Today, Climate, Places of Interest, Notable People