Otley is a market town and civil parish at a bridging point on the River Wharfe, in the City of Leeds metropolitan borough in West Yorkshire, England. Historically a part of the West Riding of Yorkshire, the population was 13,668 at the 2011 census. It is in two parts: south of the river is the historic town of Otley and to the north is Newall, which was formerly a separate township. The town is in lower Wharfedale on the A660 road which connects it to Leeds.

Wharfedale is the valley of the upper parts of the River Wharfe and one of the Yorkshire Dales. It is situated in North Yorkshire, and the cities of Leeds and Bradford in West Yorkshire. It is the upper valley of the River Wharfe. Towns and villages in Wharfedale include Buckden, Kettlewell, Conistone, Grassington, Hebden, Bolton Abbey, Addingham, Ilkley, Burley-in-Wharfedale, Otley, Pool-in-Wharfedale, Arthington, Collingham and Wetherby. Beyond Wetherby, the valley opens out and becomes part of the Vale of York.