Hollan is a city in the western region of the Lower Peninsula of the U.S. state of Michigan. It is situated near the eastern shore of Lake Michigan on Lake Macatawa, which is fed by the Macatawa River (also known locally as the Black River). The city spans the Ottawa/Allegan county line, with 9.08 square miles (23.52 km²) in Ottawa and the remaining 8.13 square miles (21.06 km²) in Allegan. As of the 2000 census, the population was 35,048. As of the 2006 Census estimates, the population of the city was 34,245 with an Urbanized Area population of 93,471. The city is the largest municipality of the Holland-Grand Haven Metropolitan Statistical Area, which has an estimate population of 259,671 as of July 1, 2006.