It lies on the Coldwaltham to Storrington road about 2 miles (3 km) south of Pulborough.

The first element in the name means "gravel"; the second is uncertain, and could mean either "village, estate, manor, homestead", "meadow, especially a flat, low-lying meadow on a stream", or "an enclosed plot, a close".

[3] Greatham Bridge was built for Sir Henry Tregoz in the early 14th century.

The rectangular single-room church has rubble ironstone walls which have mostly lancet windows and are probably 12th century.

Inside are an unusual double decker pulpit and a 17th-century altar rail.