For those wanting to get some geographical context of the Baldur’s Gate and the Forgotten Realms, this links to an interactive map with many of the well known places, including Baldur’s Gate itself.
This is not directly related to the game, but it is within the same universe and realm as BG3 takes place.
Do you know roughly where Act 1 is? I assume it’s somewhere along the river Chionthar from Baldur’s Gate, but don’t know where