WiFi Manager for connecting the ESP32 to a WiFi Network when you don't know the password

 https://www.youtube.com/watch?v=_uXKIEmJh3g

WiFiManager with ESP32 - Stop Hard-coding WiFi Credentials!

 I suppose you also could use Bluetooth or even LoRa if you had the transceiver.

LoRa Location Tracking

 https://www.rs-online.com/designspark/lora-location-tracker-introduction

https://tinygs.com/