CREATE TABLE table_21003 ("Province" TEXT, "Population" FLOAT, "Region" TEXT, "Name of City" TEXT, "Districts" FLOAT)

What is the region where Iquitos is located?
SELECT "Region" FROM table_21003 WHERE "Name of City" = 'Iquitos'
SELECT "Region" FROM "table_21003" WHERE "Name of City" = 'Iquitos'