Biga is a town and district of Çanakkale Province in the Marmara region of Turkey. It is located on the Biga River, 90 km northeast from Çanakkale city centre.The district covers an area of 1,354 km2 (523 sq mi), and the town lies at an elevation of 21 m (69 ft).The center of COMU Faculty of Economics and Administrative Sciences is in Biga.
Biga is the site of the ancient city of Pegea, which was later known as Pigas. Archaeologists have not yet established how far back the site has been occupied. In ancient times, Pegea, located on the plain of Adrastea on the border between the Troad and Mysia, was sometimes included as part of one and sometimes the other. Among the tourist sites in the district are the Ilıcabashı spa, Parion (Kemerd), Priapos (Karabiga castle).