Bolu is a province in northwest Turkey. It is located in the Black Sea region and is known for its natural beauty, including the Bolu Mountain, which is popular for hiking and skiing. The city of Bolu is the provincial capital and is located in the center of the province. Bolu is also known for its traditional cuisine, including dishes such as "dolma" (stuffed grape leaves) and "mantı" (a type of dumpling). It is also a popular tourist destination, with many visitors coming to the province to enjoy outdoor activities such as hiking and skiing in the winter.