Translation of "swampland" into Spanish

I like old houses, and I like your countryside and the swampland.

Me gustan las casas antiguas, la campiña y la ciénaga.

Puerto Cortés, a port town on the Caribbean and built on partially filled swampland, now has several flourishing congregations.

Puerto Cortés, un puerto del Caribe construido sobre una marisma parcialmente rellenada, tiene ahora varias congregaciones prósperas.

Meanwhile, near the Gungan swamplands, an even graver threat is about to be discovered.

Mientras tanto, en los pantanos de los gungan resta descubrir una amenaza aún más grave.