"To lie in" is a versatile phrase that can have various synonyms depending on the context in which it is used. One possible synonym for this phrase is "to reside in", which suggests a sense of living or staying in a particular place. Additionally, the phrase "to be located in" can be used interchangeably to imply the position or whereabouts of something. Another synonym may be "to be situated within", denoting a sense of being positioned or existing inside a specific area or object. Moreover, the term "to rest in" can also be an alternative, implying a state of repose or being inactive within a certain space.