What county is Lancaster OH in

Lancaster city is located Fairfield County.

Lancaster is a city in Fairfield County, Ohio, United States. At the 2010 Census, the population was 38,780 and the population density was 792.01 per km2.

Is Lancaster in Licking county?
Is Lancaster a suburb of Columbus Ohio?
Who is the most famous person from Lancaster Ohio?
Is Fairfield a county?