Hostinger Website Builder's data centers are located in the following locations:

Additionally, all the assets (CSS, JS, images, and other files) of all websites created with the builder are served via the Cloudflare content delivery network that has servers in more than 250 locations all across the globe.

This way, to ensure the best performance, your website is automatically loaded from the server that's closest to a particular visitor of your site 🌍 🚀