You put all the jsp pages in the same place you put html web pages.
The default tomcat sets up a ROOT directory under webapps.
To start with try putting your initial jsp pages in the ROOT directory,
start tomcat
bring up your web browser and enter the url
http://127.0.0.0:8080/index.html
or
http://localhost:8080/index.html
or
http://127.0.0.0:8080/yourjsppage.jsp
or
http://localhost:8080/yourjsppage.jsp