<button type="button" class="btn btn-success demo-pulla">
<span class="demo-pulla-etiketa"><i class="fa-solid fa-house-chimney"></i></span>Ballina</button>

<a href="#" class="btn btn-secondary demo-pulla" role="button">
<span class="demo-pulla-etiketa"><i class="fa-solid fa-house-chimney"></i></span>Ballina</a>

.demo-pulla {
position: relative;
width: 200px;
padding: 6px 12px 6px 60px;
text-align: left;
}

.demo-pulla-etiketa {
position: absolute;
top: 0;
left: 0;
display: inline-block;
padding: 6px 12px;
background: rgba(0, 0, 0, 0.15);
border-radius: 3px 0 0 3px;
}