There is hereby created a sexually oriented business overlay zone within such geographical areas of the city as are identified on the official city zoning map of the city. The boundaries of such sexually oriented business overlay zone are further identified and depicted on Exhibit A¹, attached to the ordinance codified in this chapter and by this reference incorporated herein. Sexually oriented businesses as defined herein may only locate within the sexually oriented business overlay zone above described; provided, however, even within such zone a sexually oriented business shall not locate within a distance of 100 feet of an existing youth-oriented business or activity; within 100 feet of any residential zone or any single- or multiple-family use; within 100 feet of any public park; within 100 feet of any church or other religious facilities or institution including public or private schools. Such distance shall be measured in a straight line from the nearest property line of the existing youth-oriented business to the nearest property line of the site upon which the proposed sexually oriented business proposes to locate.