When the property is situate in more than one (1) county, the action may be brought in either, but in actions to recover real property, this can only be done when the property is an entire tract.
Wyo. Stat. Ann. § 1-5-102
Property situate in more than a single county
Official source: Wyoming Legislature. Reproduced from public-domain Wyoming statutes; confirm against the official source for the current text. Not legal advice.