Berean Study Bible
So David took up residence in the fortress; that is why it was called the City of David.

King James Bible
And David dwelt in the castle; therefore they called it the city of David.

American Standard Version
And David dwelt in the stronghold; therefore they called it the city of David.

Darby Bible Translation
And David dwelt in the stronghold; therefore they called it the city of David.

Douay-Rheims Bible
And David dwelt in the castle, and therefore it was called the city of David.

English Revised Version
And David dwelt in the strong hold; therefore they called it the city of David.

Young's Literal Translation
And David dwelleth in the fortress, therefore they have called it, 'City of David;'