Omitted land. It is the intent of this chapter that the entire area of the Village, including all land and water areas, rivers, streets, alleys, railroads, and other rights-of-way, be included in the districts established by this chapter. Any area not shown on the Zoning Map as being included in such a district shall be deemed to be, and it is hereby, classified in the nearest zoning district designation or designations if there are more than one district in the unclassified area.