function eventthis(position,obj){
console.log('clicked in position ',position);
//do stuff
}
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 300 500">
<defs>
<style>
.cls-1 {
clip-path: url(#clip-Custom_Size_1);
}
.cls-2, .cls-5 {
fill: none;
}
.cls-2, .cls-3 {
stroke: #707070;
}
.cls-3, .cls-6 {
fill: #fff;
}
.cls-4 {
stroke: none;
}
</style>
<clipPath id="clip-Custom_Size_1">
<rect width="300" height="500"/>
</clipPath>
</defs>
<g id="Custom_Size_1" data-name="Custom Size – 1" class="cls-1">
<rect class="cls-6" width="300" height="500"/>
<path id="Path_1" stroke-dasharray="3" data-name="Path 1" class="cls-2" d="M24.621,20.759s227.3-30.868,227.44,35S57.809,52.051,52.528,108.6s181.931,3.044,188.138,66.8c-2.136,14.672,16.033,76.56-78.386,56.463S42.461,229.014,47.672,265.7s213.89-23.538,204.39,63.023c-5.839,15.735,10.235,57.524-139.437,35.4-71.377-4.844-77.94,71.9-77.94,71.9" transform="translate(11 17)"/>
<g id="Ellipse_1" data-name="Ellipse 1" class="cls-3" transform="translate(20 25)" onclick="eventthis(1,this)">
<circle class="cls-4" cx="15.5" cy="15.5" r="15.5"/>
<circle class="cls-5" cx="15.5" cy="15.5" r="15"/>
</g>
<g id="Ellipse_2" onclick="eventthis(2,this)" data-name="Ellipse 2" class="cls-3" transform="translate(248 51)">
<circle class="cls-4" cx="15.5" cy="15.5" r="15.5"/>
<circle class="cls-5" cx="15.5" cy="15.5" r="15"/>
</g>
<g id="Ellipse_3" onclick="eventthis(3)" data-name="Ellipse 3" class="cls-3" transform="translate(46 103)">
<circle class="cls-4" cx="15.5" cy="15.5" r="15.5"/>
<circle class="cls-5" cx="15.5" cy="15.5" r="15"/>
</g>
<g id="Ellipse_4" onclick="eventthis(4,this)" data-name="Ellipse 4" class="cls-3" transform="translate(232 162)">
<circle class="cls-4" cx="15.5" cy="15.5" r="15.5"/>
<circle class="cls-5" cx="15.5" cy="15.5" r="15"/>
</g>
<g id="Ellipse_5" onclick="eventthis(5,this)" data-name="Ellipse 5" class="cls-3" transform="translate(46 235)">
<circle class="cls-4" cx="15.5" cy="15.5" r="15.5"/>
<circle class="cls-5" cx="15.5" cy="15.5" r="15"/>
</g>
<g id="Ellipse_6" onclick="eventthis(6,this)" data-name="Ellipse 6" class="cls-3" transform="translate(232 300)">
<circle class="cls-4" cx="15.5" cy="15.5" r="15.5"/>
<circle class="cls-5" cx="15.5" cy="15.5" r="15"/>
</g>
<g id="Ellipse_7" onclick="eventthis(7,this)" data-name="Ellipse 7" class="cls-3" transform="translate(51 384)">
<circle class="cls-4" cx="15.5" cy="15.5" r="15.5"/>
<circle class="cls-5" cx="15.5" cy="15.5" r="15"/>
</g>
</g>
</svg>