USPS Delivery Attempt Failed Without Notification

My USPS package was sent in August and only arrived in Istanbul at the beginning of October. Unfortunately, I was out of town when it arrived. Instead of calling my phone number or attempting to contact me, they immediately returned the package to the post office.
Now I don’t know where my package is or which post office it was taken to. If they had called me, I could have asked a neighbor to receive the package on my behalf since I wasn’t home.
Could you please help me locate my package and inform me which post office currently has it?



