First of all at Streamate, you can filter webcam girls by region of the world. You can choose webcam girls from central and South-America by clicking on “region” at the top of the page. Then, under their thumbnail, you will be able to read their country code: CO for Colombia & VE for Venezuela. You will find below a screenshot of Streamate.
For sure, you can speak in Spanish when you are in a private chat with one of those camgirls.
Another webcam girl chat site also has a feature to select webcam girls from Colombia & Venezuela women, it is camcontacts.
After subscribing to camcontacts, you can click on “search chathosts”, then at the bottom, you can choose the country Colombia or Venezuela in the list.