Proper noun
Ada County
One of 44 counties in Idaho, United States. County seat: Boise, the state capital.
Central District Health has a second confirmed case of COVID-19 in a male patient from Ada County in his 50s. Source: Internet
With almost 144,000 absentee ballots already mailed, Ada County sent out their own record number of mail-in ballots for this year's November election. Source: Internet