<prompt> Translate the following text to SwahiliFollow charming Calle Mercaderes to the fascinating and aptly named Plaza Vieja Old Square, which began life in 1584 housing wealthy merchants.  <response>: Kutoka kwenye Calle de los Mercaderes hadi Plaza Vieja Plaza la Kale ni moja ya vituo vya biashara vya zamani zaidi katika historia ya Uholanzi. 