Subject + 所在 + 的 + Noun
所在 (suǒzài) is a noun meaning "location" or "place where something is," often used as a modifier before another noun. It indicates the place where someone or something is situated.
请告诉我你现在的所在位置。
Qǐng gàosù wǒ nǐ xiànzài de suǒzài wèizhì.
Please tell me your current location.
问题的所在其实很简单,就是缺少沟通。
Wèntí de suǒzài qíshí hěn jiǎndān, jiùshì quēshǎo gōutōng.
The root of the problem is actually quite simple — it's a lack of communication.
他们正在确认失踪人员的所在地点。
Tāmen zhèngzài quèrèn shīzōng rényuán de suǒzài dìdiǎn.
They are confirming the location of the missing person.