html
    <select class="selectpicker form-control" hx-post="{% url 'hypervisors' %}" hx-target="#hypervisor-select"
        id="region-select" name="region" hx-trigger="change">
        <option disabled selected>Choose region</option>
        {% for region in regions %}
        <option value="{{ region }}">{{ region }}</option>
        {% endfor %}
    </select>