as_pref                 Coerce an object to a jpcity_pref object
city_code               Get city codes
city_convert            Convert to cities at different points in time
city_desig_merge        Merge designated city wards
city_desig_split        Split designated cities into wards
city_interval           Get city duration
city_name               Get city names
find_city               Find cities by string patterns
get_city                Get cities at a specific point in time
is_city                 Test if the object is a jpcity_city object
is_pref                 Test if the object is a jpcity_pref object
parse_city              Parse city codes
parse_pref              Parse prefecture codes or names
pref_code               Get prefecture codes
pref_name               Get prefecture names
