honhui/app/Filament/Resources/RegionResource/Pages/CreateRegion.php

<?php

namespace App\Filament\Resources\RegionResource\Pages;

use App\Filament\Resources\RegionResource;
use Filament\Actions;
use Filament\Resources\Pages\CreateRecord;

class CreateRegion extends CreateRecord
{
    protected static string $resource = RegionResource::class;

    protected function getRedirectUrl(): string
    {
        return $this->getResource()::getUrl('index');
    }
}