Haifa is the third-largest city in Israel—after Jerusalem and Tel Aviv—with a population of 282,832 in 2021. The city of Haifa forms part of the Haifa metropolitan area, the third-most populous metropolitan area in Israel. It is home to the Baháʼí Faith's Baháʼí World Centre, and is a UNESCO World Heritage Site and a destination for Baháʼí pilgrimage. As of 2016, the city is a major seaport located on Israel's Mediterranean coastline in the Bay of Haifa covering 63.7 km2 (24.6 sq mi). It lies about 90 km (56 mi) north of Tel Aviv and is the major regional center of northern Israel.