The very short answer is that we go either to Paradise or to Hades.
The long answer about Paradise is here: https://www.freshbibleanswers.com/2025/09/24/where-do-we-go-when-we-die-paradise/
The long answer about Hades is here: https://www.freshbibleanswers.com/2025/09/29/where-do-we-go-when-we-die-hades/