Basel ( BAH-zəl; Swiss Standard German: [ˈbaːzl̩] ), also known as Basle ( BAHL), is a city in northwestern Switzerland on the river Rhine (at the transition from the High to the Upper Rhine). Basel is Switzerland's third-most-populous city (after Zurich and Geneva), with 177,595 inhabitants within the city municipality limits.
https://en.wikipedia.org/wiki/Basel