 The 1st District ( 2015 population : 415 @,@ 906 ) is Manila 's ( and the country 's ) most densely populated congressional district . It covers the western portion of Tondo that lies along Manila Bay . 
 The 1st District ( 2015 population : 415 @,@ 906 ) <a href='drop_aux' title='1'><mark>is</mark></a>Manila <a href='null_genetive' title='2'><mark>'s</mark></a>( and the country <a href='null_genetive' title='3'><mark>'s</mark></a>) most densely populated congressional district . It <a href='uninflect' title='4'><mark>covers</mark></a> the western portion of Tondo <a href='null_relcl' title='5'><mark>that</mark></a><a href='uninflect' title='6'><mark>lies</mark></a> along Manila Bay . 
The 1st District ( 2015 population : 415 @,@ 906 ) Manila  ( and the country  ) most densely populated congressional district . It cover da western portion of Tondo lie along Manila Bay .