The Esselen were a Native American

Native Americans in the United States

Native Americans in the United States are the indigenous peoples in North America within the boundaries of the present-day continental United States, parts of Alaska, and the island state of Hawaii. They are composed of numerous, distinct tribes, states, and ethnic groups, many of which survive as...

 linguistic group in the hypothetical Hokan language

Hokan languages

The Hokan language family is a hypothetical grouping of a dozen small language families spoken in California, Arizona and Mexico. In nearly a century since Edward Sapir first proposed the "Hokan" hypothesis, little additional evidence has been found that these families were related to each other...

 family, who resided on the Central California coast and the coastal mountains, including what is now known as the Big Sur

Big Sur

Big Sur is a sparsely populated region of the Central Coast of California where the Santa Lucia Mountains rise abruptly from the Pacific Ocean. The name "Big Sur" is derived from the original Spanish-language "el sur grande", meaning "the big south", or from "el país grande del sur", "the big...

 region in Monterey County

Monterey County, California

Monterey County is a county located on the Pacific coast of the U.S. state of California, its northwestern section forming the southern half of Monterey Bay. The northern half of the bay is in Santa Cruz County. As of 2010, the population was 415,057. The county seat and largest city is Salinas...

, California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

. They were one of the smallest native American populations in California and due to their proximity to three Spanish Missions

Spanish missions in California

The Spanish missions in California comprise a series of religious and military outposts established by Spanish Catholics of the Franciscan Order between 1769 and 1823 to spread the Christian faith among the local Native Americans. The missions represented the first major effort by Europeans to...

 they were likely one of the first to whose culture was all but extinguished as a result of European contact and domination.
Archaeological and linguistic evidence indicates that the original people's territory once extended much further north, into the San Francisco Bay Area

San Francisco Bay Area

The San Francisco Bay Area, commonly known as the Bay Area, is a populated region that surrounds the San Francisco and San Pablo estuaries in Northern California. The region encompasses metropolitan areas of San Francisco, Oakland, and San Jose, along with smaller urban and rural areas...

, until they were displaced by the entrance of Ohlone people.