Downtown Honolulu is the current historic, economic, and governmental center of Honolulu, the capital and largest city of the U.S. state of Hawaii. It is bounded by Nuʻuanu Stream to the west, Ward Avenue to the east, Vineyard Boulevard to the north, and Honolulu Harbor to the south. Both modern and historic buildings and complexes are located in the area, with many of the latter declared National Historic Landmarks on the National Register of Historic Places.