Sapanca is a district of Sakarya, Turkey. Lake Sapanca lies on the North of Sapanca;Adapazari,the central distirct of Sakarya, is on the east: Samanlı Mountains, districts of Geyve and Pamukova are on t he South an done can notice Izmit, the central distirct of Kocaeli on the west. It takes only 20 minutes to arrive Cengiz Topel Airport, 50 minutes to arrive Istanbul by high speed train.