Provided are a heterocyclic amide compound represented by the formula (1) and a herbicide containing them. Formula (1): In the formula, G represents G-1 or G-2, W and W1 each independently represent an oxygen atom, Z1 and Za1 represent phenyl, and Z2 represents an aromatic heterocyclic ring. R1 and R2 each independently represent C1 to C6 alkyl, R3 represents a hydrogen atom, C1 to C6 alkyl or the like, and R4, Ra4, R5, Ra5, R6, Ra6 and R7 are each independently Represents a hydrogen atom or the like.式(1)で表されるヘテロ環アミド化合物及びそれらを含有する除草剤を提供する。式(1): 式中、GはG-1又はG-2を表し、W及びW1は、各々独立して酸素原子等を表し、Z1及びZa1はフェニル等を表し、Z2は芳香族複素環を表し、R1及びR2は、各々独立してC1~C6アルキル等を表し、R3は水素原子、C1~C6アルキル等を表し、R4、Ra4、R5、Ra5、R6、Ra6及びR7は、各々独立して水素原子等を表す。