Vietnam and Cambodia E-visas

Hellooo

So this is probably a stupid question but I’ve never applied for a visa before and I’m confused. In summer I’m going to both Cambodia and Vietnam and I need to apply for visas, now in applications for both visas they ask for the address of the accommodation that I’d be staying at but I’m going to be going around both countries so i’ll be staying in multiple hotels throughout my time in Vietnam or Cambodia. Can I just put in the address for one of my accommodations and call it a day or do I put in all the addresses?

Thanks :)