§ 48-5-106

(a) If the respondent in an action for divorce is a resident of this state, the petitioner has an option to bring the action in the county in which the parties last cohabited or in the county where the respondent resides.(b) If the respondent in an action for divorce is not a resident of this state, the petitioner has an option to bring the action in the county in which the parties last cohabited or in the county where the petitioner resides.