There is a locale referenced in a few places in stories or other materials relating to R' Y'chi'el Tz'vi Margaliyos called טאקאלא, on which extremely little information seems to be available online. (For example, see the last paragraph here.)
Is it a city, a province, a region, etc.? Where is it and what modern location does it correspond to? Is there a specific paper source I could look to for information like this?