Pasig River, Puente Colgante, Ca lles Norzagaray and Regidor, and Estero de Quiapo to a point about one hundred and ten meters northeast of Iris Bridge; thence northerly along the center lines of Calles Andalucia, Laong-Laan and Dimas-Alang to Calle Blumentritt; thence easterly along the ce nter line of Calle Blumentritt to the city boundary line; and thence along said boundary line to the point of beginning. CTHaSD Quiapo . — Beginning at the intersection of the center lines of Calle Azcarraga and Estero de Quiapo; thence along the center lines of Calles Azcarraga, Alix and E. Mendiola, Estero de San Miguel, the Pasig River, Puente Colgante, Calles Norzagaray and Regi dor, and Estero de Quiapo, to the point of beginning. San Miguel . — Beginning at the intersection of the center lines of Calles Azcarraga and Alix; thence along the center lines of Calles Alix and Nagtahan, the Pasig River (following its south channel around Isla de Convalecencia), Estero de San Miguel, and C alles E. Mendiola and Alix, to the point of beginning. SaTAED Sampaloc . — Beginning at the intersection of the center line of Calle Blumentritt and the city boundary line; thence southeasterly along said boundary line to its intersection with the center line of the San Juan River south of the stone bridge by which Ca lle Santa Mesa crosses the said river; thence along the center lines of the San Juan River, the Pasig River, and Calles Nagtahan, Alix and Azcarraga, to the middle of the Iris Bridge; thence northerly along the center line of Estero de Quiapo to a point ab out 110 meters northeast of Iris Bridge; and thence along the center lines of Calles Andalucia, Laong-Laan, Dimas-Alang and Blumentritt, to the point of beginning. DaTICE Intramuros . — Beginning at the intersection of the center line of the Pasig River with the prolongation of the center line of Cavite Boulevard; and thence along the center lines of the Pasig River, Paseo del P. Burgos, and Cavite Boulevard, to the point of  beginning. IDTSEH El Puerto . — Beginning at the intersection of the center line of the Pasig River with the prolongation of the center line of Cavite Boulevard; thence along the center line of Cavite Boulevard to its intersection with the south side of Twenty-fifth Street;  thence along said side of said street to the high water line on the Muelle de San Francisco; thence along said high water line around the piers to its end on the army wharves and continuing in the direction of the last course to the high water line on the  west side of Engineer Island; thence around said island to the center line of the Pasig River; and thence along the center line of the Pasig River to the point of beginning. Copyright 2012 CD Technologies Asia, Inc. and Accesslaw, Inc. Philippine Law Encyclopedia 2011 707