noun /wɑːˈhɑː.kɑː,wəˈhɑː.kɑː/
a) One of the 31 states of Mexico, formally the Free and Sovereign State of Oaxaca, located in the southern part of the country, west of the Isthmus of Tehuantepec.
b) The largest city in the state of Oaxaca, for which the state is named.
Wikipedia foundation.