Salt Lake City is located in the north central part of Utah, it is 15 mi east of its namesake, the Great Salt Lake, and lies along the western slope of the Wasatch Range. The entire Salt Lake Valley was once part of the basin of ancient Lake Bonneville. Now, the Jordan River passes through the city. Salt Lake City is the international headquarters of the Church of Jesus Christ of Latter-day Saints. It is the largest and most important city in a large region of the interior West and serves as the industrial, financial, religious, and commercial center of Utah. A 2006 real estate survey has estimated the population of Salt Lake City, Utah at 178,858.